Edge runner mixing and kneading machine



March 8, 1938. EIRICH ET AL EDGE RUNNER MIXING AND KNEADING MACHINE Original Filed Sept. 21, 1931 2 heet -Sheet 1 Zrn/enfors JosEr-w f/e/cn.

A 'III/ March 1938- EIRICH ET AL 2,110,504

' EDGE RUNNER MIXING AND KNEADING MACHINE Original Filed Sept. 21, 1931 2 Sheets-Sheet 2 b in/92120715. [unmade/cm 05654550, 605m vf/e/cu [744, fis/es 47 law.

JOSEPH tie/c.

Patented Mar- 8, 1938 UNITED STATES PATENT OFFICE EDGE RUNNER MIXING AND KNEADING MACHINE Hardheim, Germany Original application September 21, 1931, Serial No. 564,208. Divided and this application August -7, 1935, -Serial No. 35,194. In Germany September 27, 1930 Claims.

This invention relates to an edge runner mixing and kneading machine with a rotating mixing plate comprising in' combination a rotary, partlysolid, and partly perforated grinding plate 5 having a discharge aperture, as described'in the application of Eirich et al'. Serial No. 564,208, filed September 21, 1931, now Patent No. 2,031,149, dated February 18, 1936, of which this application is a division.

It is desirable for such kneading and mixing machines to work continuously, that is, that material be continuously supplied to the same and the finished material continuously discharged therefrom. By this machine the mixing can be carried out not only continually but also in sepa-' rate charges. For this purpose the sieve plates are interchangeably fixed in the bottom portion of the grinding plate.

In order to efiect in a simple manner a. more rapid interchanging of the insertion pieces, for

instance the sieve plates, a plate may be arranged under the discharge which has several apertures of the size of the insert pieces to be interchanged. If this plate has two apertures, they are adapted to accommodate two insertable sieves with holes of different sizes, or one of the apertures may accommodate a solid plate and the other a sieve. If this plate has three apertures, the middle one may'serve for holding a solid insertion piece, and the outerapertures each serve for holding a sieve, the holes of the two sieves being of different sizes. The insertion pieces are raised and inserted from below into n the discharge opening of the rotating mixing plate, by means of a separate device.

More than threeapertures may be provided in the holding plate. Instead of a reciprocating holding plate, a circular table plate with apertures for the insertion pieces may be arranged under the mixing plate so that, when the table is rotated, other insertion pieces with perforations of different sizes or a solid insert piece are brought successively underneath the discharge.v By a lever device, eccentric, or shaft with a pinion, a sieve or solid plate may be raised or lowered as soon as it arrives underneath the discharge opening of the mixing plate or as soon as the corresponding aperture in the table arrives under this 50' discharge so as to receive the sieve or solid plate.

In order fo this machine to work with continual passing through of the material, or with intermittent passing through, i. a. with interposition of mixing and delivering periods of any desired duration, the arrangement, hereinafter described in detail, is connected with the sieve plate.

In the accompanying drawings:- r

Figs. 1-5 illustrate the arrangement for interchanging the insertion pieces in the plate,

Fig.1isat0p planview,

Fig. 2 is a section on line A-A of Fig; 1,

Fig. 3 is a side elevation of the machine shown in Fig. 1,

Figs. 4 and 5 illustrate diagrammatically in plan and vertical section respectivelythe arrangement of the circular table plate with apertures. 1

The plate 5 with apertures, shown in Figs. 1-3, is moved by means of a hand crank 20 having a shaft and a pinion 22 keyed on the end of the shaft. This pinion 22 meshes with a rack 19' rigidly connected with the plate 5. The diameter and number of teeth of pinion 22 are selected so that, after every second revolution, the apertures 2, 3 or 4 of the plate 5 stand accuratelyunder the discharge aperture 24 of the mixing plate I. For securing the plate 5 in position, the hand crank 20 is made with a heavy mass which in this position hangs downward; or a spring-tensioned catch 26 is provided for engaging with a corresponding notch of rack I9 in order to lock the same. Catch 26 is resiliently drawn counterclockwise (Fig. 3) by coil spring 26' attached at its other end to the frame of the machine.

The movement of the insert pieces 2 and 3 in vertical direction is effected by turning the crank shaft l1 shiftable in the sleeve 18. By this shifting the square socket of shaft I! comes into engagement with the square end of the pinion axle i6 and this connection is disengaged by withdrawing the crank shaft l1..;.

A pinion I 5 is keyed (in axle IS, the d ameter of this pinion being half that of the toothed wheel I keyed on the crank shaft ll having a cranking stud 2|" engaging connecting rod l2. The crank therefore actuates a connecting rod 12 which is connected with a stud 2| ofthe flange Ill. The shaft 23 and the insertion piece 2are consequently moved up or downand thereby the insertion pieces are inserted or withdrawn.

As the diameter of the pinion I5 is half that of the .toothed wheel ll, the hand crank I! must carry out a complete revolution-to complete the vertical movement of the insertion piece 2. The insertion piece 2 can be secured in the extreme' highest o'r lowest position either by means of a weight on the crank II or by the insertion of a locking pin. Reference numeral 6 designates the u machine frame and l, the tube on the discharge or aiolid plate, is moved under the discharge opening of the'rnixing plate by rotation of the hand crank 20. By pushing the axle il upon the a square portion of shaft" and rotating the hand crank, the'insert piece 2, lord is pushedfrom below into the discharge aperture until its upper v edge is flush with the bottom surfaceof-the plate.

The mixing can now begin.

If these simple movementsvare carried; out in inverse succession the insert piece moves out of' the discharge opening oi the machine. 1 By suitably selecting the length of the rack i0,

insertion pieces can be easily removed and interchanged; a

The connection of-the shaft 28 on insertion piece with the bearing bush can be 'discon! .inected by loosening the nut 2i, so' that the inserpiece with the shaft 23 can be removed. Another insertion piece can be inserted and then secured in its position by tightening the nut II.

The plate I wth the accessories is fixed on several axles l by means. of four or more supporti 3 ing rollers runningon the machine frame t.

The desired solidity is imparted to the arrangement by sleeve 8, slidably mounted in sleeve 2i",

and shaft 23 for the sieves 2 so that even the heaviest edge running work can be carried out -with this machine; without the insertion piece yielding or bending,

. The'hand cranks i'i-and Il may be controlled automatically at certain intervals, instead oi. be-

' ing controlled by hand. Y

1,), 4 and l'for'the insertion pieces under the mixing plate i. This-table has a toothed rim'll adapted to be-rotated by crank and pinion 2..

The devicefor raising and lowering the insertion pieces is the same as above described withreferenceto the reciprocating table plate.

Whatisclaimedisz n I 1. An edge runner mixing and kneading machine comprising 'a rotating mixingand grinding plate provided with an opening. a plurality of insertmembers disposed slidably below said openingof the mixing plate. a rack disposed under the I grinding plate for moving the insert members horizontally, means for moving eachlinsert member vertically, means for guiding each insert member, means for :easily releasing the insert "members from the guide means, and means for] a I accurately setting the rack in podtion-where theinsert members register vertically with the openingofthegrindingplate. in

2.anedgerunnermixingandkneadingmachine comprising a rotating mixing and grinding plate provided with an opening, a plurality of insert members slidably disposed below said open- -ing', a rack disposed-below the'grindingjplate. a

gear engaging said rack, a crank for actuating said gear, saidrack being connected with said insert members to move them horizontally selecsaid shaft, a detachableflanse on the imam! r the shaft'contacting the lower end of thesleeve andhavinga'pinextendingoutwardlytherefrom. asecond crank. saidsecond crankhaving a conit is possible. to push the plate I with apertures\ 8 8 6 D W 9 mm With-laid so far-beyond the rotating mixing plate, that the raising and lowering the insert. members.

insert members, the rack and the mechanism for from the insert member, a sleeve surrounding I 3. Anedgerimner mixing and kneading chine having a rotating plate-provided with an of an insert member mounted in each opening of said second plate. acarriage frame 1 carrying said second plate,and a and lowering devicerfor-each' insert member cari fed on said carriage frame;

-4.Anedgerunnermixingandkneadinginachine having a rotating plate provided with a discharge opening, a second plate provided with a plurality of openings slidably disposed below the discharge opening of the rotating plate, in-

sert members in the openings of said second plate. a frame carrying said second plate, means carriedbysaid frame for raising and lowering each ,of said insert members and'a tube at the dis charge opening for preventing spurting of material discharging through said discharge opening.

6. An edge runner mixing and kneading-inachine havinga rotatin plate prov ded with a dis.-

charge opening, a rotatable table below thedischarge op ning, said table having a plurality oi openings providedwith insert members. a crank having a connecting rod, for. actuating saidinsert members and a crank and gear for rotating gamma,- mmm; i aomnxnucn. 

